<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>轮转数组</title>
</head>

<body>
  <script>
    function fn(nums, k) {
      const n = nums.length
      const newArr = new Array(n);
      for (let i = 0; i < n; ++i) {
        newArr[(i + k) % n] = nums[i]
      }
      for (let i = 0; i < n; ++i) {
        nums[i] = newArr[i];
      }
      return nums
    }
    console.log(fn([1, 2, 3, 4, 5, 6, 7], 3))
  </script>
</body>
</html>